Headstand bench



FIG. 1 is an exploded perspective view of a headstand bench, showing the new design;

FIG. 2 is an assembled perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in FIG. 8 depict portions of the headstand bench that form no part of the claimed design. 

CLAIM The ornamental design for a headstand bench, as shown and described. 